Based on my limited testing, it seems to sort results from boards where you are a member above any other result. Knowing that might help mitigate this issue's impact.
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Jeffrey BlakeSep 19 '11 at 19:44

1 Answer
1

As JGB146 observed, we are prioritizing cards that you're "involved" with above other search results.

Additionally, if you have a board open, and you initiate the search from there, then results from the board that you're looking at will have the highest relevance (and archived cards will be included in the search results)